<row>\r
<entry colsep="0">\r
<emphasis role="strong">Image viewing</emphasis>\r
- (image has keyboard focus)\r
+ (image has keyboard focus. Refer also to\r
+ <link linkend="MouseWheelMode">Mouse Wheel Mode</link>\r
+ )\r
</entry>\r
<entry colsep="0" />\r
<entry colsep="0" />\r